<![CDATA[The purpose of this study was to see whether the Children Learning In Science (CLIS) learning model can improve science process skills and learning interest of Elementary School Students. This study used a quantitative research method using a pre-experimental method. The research design used was a pre-test and post-test that only used one experimental group without using a comparison group. The population in this study were all fourth-grade students of SD Negeri 18 Banda Aceh with a total of 30 students, where this entire population will be used as a research sample. The types of instruments used in this study were test instruments and questionnaires. For the results of Science process skills, the average pretest score of students before the application of the Children Learning in Science (CLIS) model was 19.47. While during the posttest after the application of the Children Learning in Science (CLIS) model, the student's score increased to 80.00. There was a significant increase in the value of students' science process skills after the application of the Children Learning in Science (CLIS) model on the material of animal classification and types of food. The average increase in science process skills gain of 0.75 is included in the high category. For learning interest, the results obtained were: for the answers Strongly Agree (SS) as much as 97.89%, Agree (S) as much as 1.58%, Disagree (TS) and Strongly Disagree (STS) were 0% with the overall percentage of answers obtained being 99.47%. Based on the interest indicator interval, the overall percentage of answers of 99.47% falls into the very good category]]>
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